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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Yunnanilus: From Yunnan, city on southwest China; niulanensis: The specific name alludes to the type locality, the Niulanjiang River..
More on authors: Chen, Yang & Yang.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal. Tropical
Asia: Yanglinhe River, a tributary of the Niulanjiang River in Yunnan, China.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 5.5 cm SL mannelijk / geslacht onbekend; (Ref. 89956)
Korte beschrijving
Morfologie | Morfometrie
Dorsale zachte stralen (totaal): 12; Anale zachte stralen: 8. Distinguished from other species of Yunnanilus by the following combination of characters: dorsal-fin rays iii, 9; anal-fin rays iii, 5; pectoral-fin rays i, 11; pelvic-fin rays i, 7-8; branched caudal-fin rays 14; mouth subterminal; 9-11 gill rakers in the inner side of the first gill arch, outer row of gill rakers absent; upper two-thirds of body and head covered by large brown spots; fins hyaline; body covered with scales; no lateral line; no cephalic sensory pores; caudal peduncle length less than caudal peduncle depth; caudal peduncle length 9.2-11.1% SL; body depth 21.0-25.8 % SL; eye diameter 5.4-6.0 % SL; interorbital width 9.9-12.1 % SL (Ref. 89956).
Occurs in Yanglinhe River , China with altitude of 1909 m and with slow flowing and clear water. The stream of the type locality has sandy or a little muddy substrate (Ref. 89956).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Chen, Z., J. Yang and J. Yang, 2012. Description of a new species of the genus Yunnanilus Nichols, 1925 (Teleostei: Nemacheilidae) from Yunnan, China. Zootaxa 3269:57-64. (Ref. 89956)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Meer informatie
Lokale namenSynoniemenMetabolismePredatorenEcotoxicologieVoortplantingMaturiteitPaaienPaaiaggregatiesFecunditeitEierenOntwikkeling van de eieren
Leeftijd/GrootteGroeiLengte-gewichtLengte-lengteLengtefrequentiesMorfometrieMorfologieLarvenLarvale populatiedynamiekRekruteringAbundantieBRUVS
ReferentiesAquacultuurAquacultuurprofielKweeklijnenGeneticaElectrophoresesErfelijkheidZiektesVerwerkingNutrientsMassaconversie
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00336 - 0.01491), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
